<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
</head>

<body>
  <div id="app">
    {{ JSON.stringify(project) }}
    <h1>请选择你喜欢的学科</h1>
    <select v-model="project">
      <option v-for="item in data" :key="item">{{ item }}</option>
  </div>
  <script>
    Vue.config.productionTip = false;
    const vm = new Vue({
      el: "#app",
      data () {
        return {
          data: [
            "前端",
            "java",
            "测试",
            "产品",
            "UI",
            "运维",
          ],
          project: '',
        };
      },
    });
  </script>
</body>

</html>